| Vendor | Spec | Unit | Price | Currency | Date |
| Suzhou Chemical Material Co., Ltd. | China national standards | MT | 317.02 | USD | 20251020 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 225.44 | USD | 20251020 |
| Zhangzhou Xiangcheng San'an Chemical Co., Ltd. | China national standards | MT | 310.08 | USD | 20251019 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 190.28 | USD | 20251018 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 303.03 | USD | 20251018 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 267.8 | USD | 20251018 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 225.51 | USD | 20251017 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 225.51 | USD | 20251017 |
| Suzhou Chemical Material Co., Ltd. | China national standards | MT | 332.63 | USD | 20251017 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 267.8 | USD | 20251017 |